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The decadelong effort by Cape Wind to build 130 turbines in Nantucket Sound has at times played out like a soap opera, complete with subterfuge and sneaky end runs to try and block it.

Now, the Cape Wind saga - with all its wacky politics, power, and people - will be on the big screen. “Cape Spin: An American Power Struggle’’ will be shown as a sneak peek at the Martha’s Vineyard Film Society Aug. 2 at Union Chapel on Martha’s Vineyard.

Full disclosure: I was interviewed for the movie, along with other journalists.

Violations resolved A Northbridge company will pay a $127,000 penalty and limit air pollution emissions from its manufacturing plant for violating clean air standards, according to the Environmental Protection Agency and Department of Justice.

Polyfoam Inc. uses expandable polystyrene beads, which emit volatile organic compounds that are a main cause of smog, to create products such as insulated food-shipping containers and protective foam packaging for electronic appliances.

The government says Polyfoam miscalculated and underreported its volatile organic compounds emissions from at least 2002 to the present. Polyfoam’s emissions of volatile organic compounds exceeded 50 tons per year in each of these years, in violation of state air permits. Polyfoam also triggered federal Clean Air Act requirements for state-of-the-art pollution limits that the company failed to meet.

Under the settlement, which needs court approval, Polyfoam will install a pollution-control system that will reduce such emissions by about 85 percent.

Smog and ground-level ozone, which is also caused by volatile organic compounds, can aggravate asthma and damage lung cells and may cause permanent lung damage. Massachusetts does not meet the EPA’s ozone standards, and Polyfoam’s excess emissions have contributed to Massachusetts’ failure to meet them, the EPA says.